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Assertion : Thiophene present in commerc...

Assertion `:` Thiophene present in commercial benzene as an impurity can be removed by shaking the mixture with cold concentrated `H_(2)SO_(4)`.
Reason`:` Thiophene is a heterocyclic aromatic compound.

A

If both assertion and reason are true and the reason is the correct explanation of the assertion

B

If both assertion and reason are true but reason is not the correct explanation of the assertion

C

If assertion is true but reason is false.

D

If the assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
B

On shaking with concentrated `H_2SO_4` thiophene being more reactive undergoes sulphonation and the thiophene-2-sulphonic acid thus formed dissolves in concentrated `H_(2)SO_(4)`
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